mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
synced 2025-03-09 00:00:00 +01:00
77 lines
1.9 KiB
Nix
77 lines
1.9 KiB
Nix
# SPDX-FileCopyrightText: 2023 OPAL-RT Germany GmbH
|
|
# SPDX-License-Identifier: Apache-2.0
|
|
{
|
|
config,
|
|
lib,
|
|
pkgs,
|
|
...
|
|
}:
|
|
let
|
|
cfg = config.services.villas.node;
|
|
|
|
villasNodeCfg = pkgs.writeText "villas-node.conf" (builtins.toJSON cfg.config);
|
|
in
|
|
with lib;
|
|
{
|
|
options = {
|
|
services.villas.node = {
|
|
enable = mkEnableOption (
|
|
lib.mdDoc "VILLASnode is a client/server application to connect simulation equipment and software."
|
|
);
|
|
|
|
package = mkPackageOption pkgs "villas-node" { };
|
|
|
|
configPath = mkOption {
|
|
type = types.nullOr types.path;
|
|
description = mdDoc ''
|
|
A path to a VILLASnode configuration file.
|
|
'';
|
|
default = null;
|
|
};
|
|
|
|
config = mkOption {
|
|
type = types.attrsOf types.anything;
|
|
default = {
|
|
nodes = { };
|
|
paths = [ ];
|
|
idle_stop = false; # Do not stop daemon because of empty paths
|
|
};
|
|
|
|
description = mdDoc ''
|
|
Contents of the VILLASnode configuration file,
|
|
{file}`villas-node.json`.
|
|
|
|
See: https://villas.fein-aachen.org/docs/node/config/
|
|
'';
|
|
};
|
|
};
|
|
};
|
|
|
|
config = mkIf cfg.enable {
|
|
assertions = [
|
|
{
|
|
assertion = cfg.config != null && cfg.config != { };
|
|
message = "You must provide services.villas.node.config.";
|
|
}
|
|
];
|
|
|
|
# Configuration file indirection is needed to support reloading
|
|
environment.etc."villas/node.json" = mkIf (builtins.isNull cfg.configPath) {
|
|
source = villasNodeCfg;
|
|
};
|
|
|
|
systemd.services.villas-node = {
|
|
description = "VILLASnode";
|
|
after = [ "network.target" ];
|
|
wantedBy = [ "multi-user.target" ];
|
|
serviceConfig = {
|
|
Type = "simple";
|
|
ExecStart =
|
|
let
|
|
cfgPath = if isNull cfg.configPath then "/etc/villas/node.json" else cfg.configPath;
|
|
in
|
|
"${lib.getExe cfg.package} node ${cfgPath}";
|
|
};
|
|
};
|
|
};
|
|
}
|